STM32F HAL Library too large

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Category:Languages

I just ran out of flash on my microcontroller project. How can I reduce the size of the HAL library or otherwise make it take less of a huge percentage of my project?

 


Try to:

  • eliminate unused code and data ("garbage collection") using -ffunction-sections and -fdata-sections for compiler, --gc-sections for linker .
  • use linker-time optimization (LTO) using -O2 -flto both for linker and compiler.

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